10          20        30        40        50        60
UCUCAGCCCACCCCAGU--| UG   C     C    G    C         U  GGUACU 
                   CC  CUC CGCCC AGCA CACA UGUGGUUUG AC      G
                   GG  GGG GUGGG UUGU GUGU ACACCAGAC UG      U
UUCGGAGUCGCCACGGAGG^ GU   A     A    G    C         C  CACCGG 
120       110       100        90        80        70